{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "cell line", "DNA", "protein", "RNA"], "input": "The induction of AP1 by okadaic acid suggests that protein phosphatases 1 and 2A ( PP1 and PP2A ) may be involved in T cell activation as important negative regulators of the transcription factor AP1 ."}
{"cell type": [], "cell line": [], "DNA": [], "protein": ["AP1", "PP1", "PP2A", "transcription factor"], "RNA": []}